What is expand (a^{20}=-11+20-1)*2 ?

The solution to expand (a^{20}=-11+20-1)*2 is 2a^{20}=16

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expand (a^{20}=-11+20-1)*2

expand

(a^{20} = - 11 + 20 - 1) \cdot 2

2 a^{20} = 16

Solution steps

(a^{20} = - 11 + 20 - 1) \cdot 2

= 2 (= a^{20} - 11 + 20 - 1)

Distribute parentheses

2 a^{20} = 2 (- 11) + 2 \cdot 20 + 2 (- 1)

Apply minus-plus rules

+ (- a) = - a

2 a^{20} = - 2 \cdot 11 + 2 \cdot 20 - 2 \cdot 1

Expand

- 2 \cdot 11 + 2 \cdot 20 - 2 \cdot 1 : 16

2 a^{20} = 16

ln (a + e^{(x + y)^{2}})

\frac{( x + 7 ) ( x + 5 )}{x + 6}

e^{(x - 1) (x + 2)}

- e^{- x - y} (1 + e^{x + y})

3 (2 x + 5 y = 15)

What is expand (a^{20}=-11+20-1)*2 ?
The solution to expand (a^{20}=-11+20-1)*2 is 2a^{20}=16